(FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
Synonym(s):(Formylmethylene)triphenylphosphorane
- CAS NO.：2136-75-6
- Empirical Formula: C20H17OP
- Molecular Weight: 304.32
- MDL number: MFCD00006994
- EINECS: 218-375-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-24 16:40:18
What is (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE?
Chemical properties
pink to brown crystalline powder
The Uses of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
(Formylmethylene)triphenylphosphorane is used as Wittig reagent. It is also used as Pharmaceutical Intermediates. It is employed as raw material in organic Synthesis, Agrochemicals.
The Uses of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
Wittig reagent for the conversion of aldehydes and ketones to two-carbon homologated, α,β-unsaturated carbonyl compounds.
Purification Methods
Recrystallise it from Me2CO, or dissolve it in *C6H6, wash with N NaOH, dry (MgSO4), evaporate, and crystallise the residue from Me2CO. It can be prepared from its precursor, formylmethyltriphenylphosphonium chloride (which crystallises from CHCl3/EtOAc), by treatment with Et3N and extraction with *C6H6. [Tripett & Walker J Chem Soc 1266 1961.]
Properties of (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
| Melting point: | 185-188 °C(lit.) |
| Boiling point: | 472.6±28.0 °C(Predicted) |
| Density | 1.16±0.1 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| solubility | Soluble in Chloroform, Methanol. |
| form | Fine Crystalline Powder |
| color | Pink to brown |
| Sensitive | Air Sensitive |
| BRN | 523797 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 2136-75-6(CAS DataBase Reference) |
Safety information for (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE
| InChIKey | CQCAYWAIRTVXIY-UHFFFAOYSA-N |
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